Battery.



H. W. DARBY.

BATTERY.

APPLIOATION FILED HAB. 31, 1910.

Patented Jan. 24, 19111' B SHEETS-SHEET 1.

H. W. DARBY.

BATTERY.

APPLIUATIOH FILED HAB. 81, 1910.

Patented Jan. 24, 1911.

2 SHEETS-SHEET 2.

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:HARRY` WILLIAM DARBY, 0F WINNIPEG, MANITOBA, CANADA.

BATTERY.

Specification of Letters Patent.

Patented Jan. 24, 1911.

Application tiled March 31, 1910. Serial No. 552,729.

To all whom it may concern.'

Bc it known that I, I-IARRY WiLLIAM DARBY, of the city of Vinni eg, in the Providence of Manitoba, Cana a, have invented certain new and useful Improvements in Batteries, of which the following is the specification.

I My invention relates to batteries and is more particularly directed to primary batteries.

It consists of certain novel constructions which will be hereinafter more particularly set forth and claimed. v

Figure 1 is a side elevation of a complete battery certain parts being broken Vaway to expose construction. Fig. 2 is a vertical sectional view taken in the plane denoted by the line X X', Fig.- 1, and looking in the direction of the arrow. Fig. 3 is a plan view of the battery' with the cover removed. F 4 is an enlarged detailed perspective view of one of the electrodes. Fig. 5 is an enlarged detailed vertical sectional view through the bottom of the outer casing showing the manner in which the negative contact is `made with the zinc plate. Fig. 6 represents an enlarged detailed vertical sectionaly view through a portion of the negative electrode showing the vertically directed groove formed therein.

In the drawings like characters of reference indicate corresponding parts in each figure. A

1 represents the outside casing of the battery which is substantially rectangular in cross section and has an open top there being a upwar y` and forminga U-shaped receptacle 3 at the bottom of the casing.

4 represents the cover which is of any desired form and is adapted to fit over the top of the casing.

5 is mercury located within the U-shaped receptacle 3 and forming a contact with the negative electrode hereinafter referred to.

6 is a porous insulator having an open bottom which rests on the inwardly projeetingportion 2 of the casing. Within the insulator I have inserted the porous carbon electrode 7 which is substantially rectangular in cross section and has a central cavity or pocket .8 provided therein to receive a liquldlater referred to. The electrode has two 'of its faces 7 and 72 serrated so as to expose a large surface of the plate to the dportion 2 of the bottom projecting action of the liquid within the casing. It is also provided with an olf-set portion 9 in which is firmly embedded a threadedA post 10 which extends u wardly through a suitable opening provided in the cover and is provided with a thumb nut 12 at the u per end forming a bindin post for the at achment of wire. carbon electrode is elevated above the level of the mercury. I

13 is a zinc electrode which is U-shaped in cross section and has its lower end received within the U-shaped receptacle 3 and entering the mercury. The upper edge of the latter electrode is cut away at 14 so as to escape the offset portion 10 of the carbon electrode. The zinc electrode is formed with a vertically directed channel 13 located at one of its corners, the purpose of which will be more clearly apparent hereinafter.

15 are projecting strips extendin within the casing and bearin against t e outer face of the zinc aset position.

16 is a glass or other such acid proof tube secured rmly at the top in any convenient way to the cover. The tube passes to the It wil be noticed that the' plate t ereby holding it in bottom of the casing and rests within the within the porous carbon electrode 7 and the other between the outer walls of the carbon electrode and the casing.

j The porous insulator serves to prevent any possibility of the battery short circuiting in cases where the zinc and carbonl electrodes are fairly close together, as will be easily understood.

What I claim as my invention is:

A two flued battery comprising a casing having an u wardly rejecting portion at the bottom tlhereof, tlereby' forming a U- sha ed receptacle, a zinc U-shaped electrode havmg its lower end received within the receptacle and dipped in mercury located in the receptacle, a carbon electrode located on the upwardly projecting portion of the cas- 5 jecting ortion of the casing, t

ing, seid electrode being porous and colntain- Si eel at VVnnpeg in the Province of` in me ,of the ellectroli'tes, andhan ogen Manltoba, this 27th day of January 1909.

en e porous insu ator etween t e car on and zinc electrodes, and restin on the pro- HARRY WILLIAM DARBY e other elec- In the resence of trolyte eing between the carbon electrode G. b. ROXBURGH,

and the casing. M. A. SOMERVILLE. 

